@keyframes rotate{
    0%{transform:rotate(0);}
    0%{transform:rotate(360deg);}
}
.rotate{
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(#1cb2ff,transparent);
    left: 50%;
    top: 50%;
    margin-left: -25px;
    margin-top: -25px;

    animation: rotate 1s linear 0s infinite normal forwards;

    &:after{
        content: '';
        position: absolute;
        width: 80%;
        height: 80%;
        border-radius: 50%;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        background:#121825;
    }
}